54421501571 has 2 divisors, whose sum is σ = 54421501572. Its totient is φ = 54421501570.

The previous prime is 54421501501. The next prime is 54421501591. The reversal of 54421501571 is 17510512445.

54421501571 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54421501571 - 2²² = 54417307267 is a prime.

It is not a weakly prime, because it can be changed into another prime (54421501501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27210750785 + 27210750786.

It is an arithmetic number, because the mean of its divisors is an integer number (27210750786).

Almost surely, 2^54421501571 is an apocalyptic number.

54421501571 is a deficient number, since it is larger than the sum of its proper divisors (1).

54421501571 is an equidigital number, since it uses as much as digits as its factorization.

54421501571 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28000, while the sum is 35.

The spelling of 54421501571 in words is "fifty-four billion, four hundred twenty-one million, five hundred one thousand, five hundred seventy-one".